Determine Size Of Ceiling Fan Needed

For adequate air circulation the fan blades should hang 8 inches or more from the ceiling.

Determine size of ceiling fan needed.

In terms of sizing your ceiling fan for your bedroom there are two common size options for bedrooms. Ceiling fan blades range from 29 inches to 54 inches. So for an 80 square foot bathroom with a 10 foot ceiling you ll get the best results from a fan with a rating of at least 112 cfm. For rooms 75 square feet or smaller your ceiling fan should be 36 inches 91 4 cm or less in diameter.

For larger rooms with a square footage around 225 a 50 to 54 inch 130 to 140 cm blade. If you have a regular sized bedroom of 144 to 225 square feet then a medium ceiling fan with a blade span of 44 to 50 inches will be a great fit. Then measure the width of the room using the same method. Begin to determine your needed ceiling fan size by calculating the square footage of the room.

The most common method used to find the right downrod length is to take the ceiling height subtract the height of the ceiling fan most fans are between 12 and 18 inches in height depending on the fan and then subtract the desired hanging height usually eight feet. You will want to check your fan to ensure that its cfm rating is anywhere between 1 600 and 4 500. Step 2 determine ceiling height how far down your ceiling fan hangs depends on the height of your room. If it has an even number of blades measure your fan from the tip of one blade to the tip of the blade directly opposite it.

Conversely spaces in the home with limited ceiling to floor height think bedrooms offices breakfast nooks etc require a low profile or flushmount ceiling fan. The american lighting association recommends the following guidelines for room and ceiling fan size. For rooms between 75 and 144 square feet your ceiling fan should have a diameter of 36 to 42 inches. A small 10 x 10 room could accommodate a 48 to 72 fan.

It s easy to measure a rectangular room to determine its square footage. If it has an odd. For safety the bottom of the fan needs to be at least 7 feet above the floor. A room with up to 75 square feet can.

Would we then recommend a 72 fan for this room. For rooms larger than 400 square feet consider installing two ceiling fans optimal distance apart for best results. Leave at least 2 or 3 feet of space between the end of the fan blade to the closest wall to determine the largest size fan you can put in a room 3 feet for ceilings 9 feet or less 2 feet for higher ceilings. A room between 200 to 400 square feet will function well with a fan 50 to 72 inches in size.

Calculate the full blade span. Count the number of blades some fans have three and some have four blades.